baber/WOPTO huggingface dataset:
Patent GB-464781-A (GB)
Title: Improvements in or relating to photographic cameras
IPC: G03B3/02
Filed: 1935-10-24
Abstract: 464,781. Photographic cameras. KODAK, Ltd. Oct. 24, 1935, No. 29369. Convention date, Nov. 1, 1934. [Class 98 (i)] A folding camera comprises a lens carrier which during folding is always maintained parallel to the focal plane, a hinged baseboard and a link mechanism comprising two arms pivoted to the lens carrier and a second pair of arms pivoted to the body portion of the camera, both pairs of arms being coupled together and with the baseboard so that movement of the baseboard turns both pairs of arms about their pivots and moves the lens carrier towards or away from the body portion. The baseboard 2 provided with side walls 5 is hinged at 3 to the end wall 4 of the camera. Two braces 6 hinged at 7 to the baseboard 2 slide between a roller 8 and a mutilated gear wheel 9. The upper end of each brace is formed with a rack 10 with an enlarged tooth 11. A lens board 13 is connected to the camera at each side by link mechanism comprising a pair of arms 17, 18 with interengaging toothed segments 19, 20, the arms being pivoted to the board 13 at 21, 22 and at 15, 16 to a second pair of arms 23, 24. The arms 23, 24 have toothed segments 25, 26 supported on pivots 27, 28. The pivot pin 28 also supports the mutilated gear 9 so that when the baseboard is moved the links are rotated about their pivots and the lens board is moved backwards and forwards. The brace member transmits movement to the links only during the early part of the closing movement of and the late part of the opening movement. A spring 37 assists the opening of the camera. A cover plate 30 is hinged at 31 to 'the body portion 1 and each side 32 is grooved at 33 to receive a pin 34 on the lens board 13. As the camera is closed, the cover plate 30 turns in the downward direction and towards the end of the movement, pins 35 on the cover plate engage cams 36 on the baseboard 2 and assist the closing of the cover plate 31. The parts are held in the open position by a pivoted lever catch, the nose 34 of which is constrained to engage the last tooth 45 of the mutilated gear 9, and to be released by the button 40. The parts are held in the closed position by a bar which is urged by a spring to engage lugs carried by the baseboard 2. A wire spring looped about pins carried beneath the lens board 13 may engage the arms 18 and assist the opening movement of the camera.
Patent GB-1048836-A (GB)
Title: Method for controlling the operation of top blowing processes of steel making
IPC: C21C5/30
Filed: 1963-07-24
Abstract: In a top-blowing process of steel making, probes are inserted in the vessel at various levels to detect the onset of slag foaming, signal or control means being operated when the slag reaches a predetermined level whereby the blowing conditions may be appropriately adjusted. In the drawing (not shown) water-cooled probes 2 and 3 are connected to a source of current, signal means 9 and recorder 11 being included in the circuit.  The slag by reason of its iron oxide content is conductive and the circuit is completed when the level reaches probe 3. Lance 10 may also act as a probe.
Patent GB-685404-A (GB)
Title: Improvements in or relating to magnetic mechanism for catches for sliding doors and the like
IPC: E05C19/16
Filed: 1950-12-01
Abstract: 685,404. Magnetic fastenings. MOORE, F. Oct. 24, 1951 [Dec. 1, 1950], No. 29418/50. Class 44. A latch e.g. for sliding doors 11 comprises a pair of members 3, 4 mounted for vertical movement in casings 10 in the door edges and carrying magnets 1, 2, the member 3 also carrying a latching hook 5 for engagement with a crossbar 16 on the other casing and being provided with sufficient space to the rear in the casing to allow it to fall into an inclined unlatched position as in Fig. 3 so that the hook 5 does not project from the door edge. The member 4 has an opening 6 to receive the hook 5. The casings are closed at the front by plates 12 having openings to pass the hook 5 and the pole-pieces of the magnets which lie flush with its outer surface tapered projections 21 on member 3 enter notches 22 in member 4 to ensure their correct alignment. Either member may be lifted to release the hook from the cross-bar 16 by push-rods 17 having collars 18 acting through short tubes 19 Fig. 1 shows the parts in the latched position the magnets attracting each other and.preventing rattling. If either push-rod is raised e.g. by a handle both members move upwardly due to the attraction between the magnets and the doors may then be pulled apart, the member 3 falling obliquely as in Fig. 3. The tube 19 on this side has oblique end surfaces and a corner abutment 23 is provided to ensure that the member 3 rocks backwardly. When the doors are closed the magnets attract each other and the member 3 returns to the vertical position forcing the hook to latch with the bar 16 as shown in Fig. 1.
Patent GB-635951-A (GB)
Title: Improvements in or relating to a clutch
IPC: F16D43/12
Filed: 1947-11-05
Abstract: 635,951. Friction clutches. DANA CORPORATION. Nov. 5, 1947, No. 29503. Convention date, April 27, 1944. [Class 80 (ii)] The normal manually-operated throwout levers of a motor vehicle plate clutch are actuated for clutch engagement by centrifugal weights acting through a spring loading element on spring means acting directly on the levers between the pivots and the radially inner ends thereof. As shown, applied to a motor vehicle clutch, flyweights 18, slidably pivoted through rollers 46 in pairs of lugs 44 projecting axially from the presser plate 11, carry rollers 49 reacting between the plate 11 and lugs 43 projecting radially from a stamped sheet metal ring 17 slidably carried by the inner arms of the throw-out levers 12 through pins 16 and co-acting with the levers through pre-loaded compression springs 14 caged between recesses 37 on the levers and washers 15 on the pins. The levers, which are channel shaped sheet metal members, pivot on brackets 13 extending from the driving flywheel 6 and co-act with the presser plate 11 through adjustable lock bolts 24 therein having spherical sealing heads 29 against which the outer ends of the levers are held by circlip-retained washers 33. Each flyweight 18, which is retracted by a pair of tension springs 53, is cut away on its inner edge to clear the corresponding lug 43, which locates circumferentially between the respective pair of lugs 44. The complete exposure of the working parts facilitates cooling.
Patent GB-295396-A (GB)
IPC: B25B1/04
Abstract: 295,396. AciÚries de Maine-Saint- Pierre et Lesquin Soc. Anon. Aug. 12, 1927, [Convention date]. Void [Published under Sect. 91 of the Acts]. Vices.-The arms 1, 2 of a vice are made of cast steel with hardened jaws 3 the screwed sleeve 7 having a collar 8 with a spherical surface 8' abutting against a like surface on the arm 1 and clearance 8<2>. The screw 10 may have a universal joint so that the spherical surfaces become unnecessary.
Patent GB-455945-A (GB)
Title: Improvements in glasses resistant to alkali metal vapours and method of making them
IPC: C03C17/25
Filed: 1935-10-25
Abstract: 455,945. Treating glass surfaces. CORNING GLASS WORKS, Walnut Street, Corning, New York, U.S.A. Oct. 25, 1935, No. 29541. Convention date, Nov. 6, 1934. Addition to 455,460. [Class 56] [See also Group XL] Relates to a method of treating glass, described in the parent Specification, to prevent it from being discoloured by hot alkali vapour when used, for example, as the envelope of a sodium vapour arc lamp. According to the present invention, the glass is coated with a solution of a salt which is converted when the coated glass is heated to about 600 C., to a substantially transparent residue consisting wholly or mainly of alkali oxide. A solution in water of a decomposable salt of an alkali metal is atomized on to the warm glass, or the glass article is rinsed in the solution and dried, and the treated glass is then heated to 600-650 C. Preferably sodium hydroxide or sodium carbonate is used, but other alkali metal compounds, such as potassium iodide, sodium nitrate or sodium phosphate are suitable.
Patent GB-757223-A (GB)
Title: Perforating implement
IPC: B21D28/24
Filed: 1953-10-26
Abstract: 757,223. Punching. WALES STRIPPIT CORPORATION. Oct. 26, 1953 [March 31, 1953], No. 29549/53. Class 83 (4). In a sub-press punching tool having a C-shaped frame, a die is mounted in the lower arm of the frame and a unit comprising a punch, a stripper member and springs supplying the stripping force and interconnecting the punch and the stripper member is mounted on the upper arm so as to be movable relatively thereto, the stripper member being located wholly outside the upper arm. The springs consist of containers 27, Fig. 1, filled with a compressible liquid such as silicone oil, secured to the stripper plate 42 and sliding in bores 25 in the upper arm 11, and pistons 33 in cylinders 31 projecting within the containers 27. A plate 18 carried on the rods 34 connected to the pistons 33 is adapted to be engaged by the press ram and supports a punch 16 having a triangular head 48. The punch has vertical slots, a selected one of which is engaged by a key 60 secured to the upper arm 11, and flats terminating in shoulders which are overhung by members removably secured to the upper arm 11 to retain the punch. The stripper plate 40 is resiliently connected to the upper arm 11 by lifting springs. The liquid springs can be preloaded by threaded plugs 45 to provide the unequal lifting forces required to strip a non- symmetrical punch. Shims between the containers 27 and the stripper plate 42 and the plate 18 and the punch 16 allow for adjustment necessitated by wear and regrinding of the punch. The die 55 is mounted on a ring 53 secured in the lower arm 12 and is located by a key 65. The punched portions escape through a passage 95 in the lower arm. The punches and dies are exchangeable. When smaller punches are used the punch 100, Fig. 6, is formed with a head 108 seating in a recess in the plate 18 and is secured to a surrounding tube 103 which is a sliding fit in the bore 15 in the upper arm. In a modification, the punch head 139, Fig. 8, seats inside the tube 133 which carries a threaded insert 140 secured by a screw 142 to the plate 18, or alternatively the insert is a short plug holding the punch head and the screw engages directly with the tube. If tapered workpieces are to be punched a correspondingly tapered stripper plate is used.
Patent GB-160504-A (GB)
Title: Improvements in and relating to hot plates for gas cooking stoves
IPC: F24C15/10
Filed: 1918-10-05
Abstract: 160,504. Helps, G. Oct. 6, 1918. Gas cooking-stoves. - The burners 4 of a gasstove hot-plate are all of the same pattern, those remote from the tap rail 5 being supplied with gas by long nipples 7, Fig. 1, or by extensions 34, Fig. 2, of the mixing tube. The distance of the hot-plate 1 from the burner may be adjusted by raising the hot-plate by means of screws 29, Fig. 3, in legs 9 bolted adjustably to the stove. The burners may be supported by stirrups 32, Fig. 4, resting on flanges 33 on the hot-plate 1. Specifications 14722/98, 8907/14, 141,638 and 161,992: are referred to.
Patent GB-204931-A (GB)
Title: Surgical appliance
IPC: A61B1/06
Filed: 1922-10-30
Abstract: 204,931. Cameron, W. J. Oct. 30, 1922. Optical instruments. -An instrument for operations on the eye, nose, ear, &c. comprises a lamp holder 5 to the end of which an electric lamp 7 is fitted, a sleeve 8 adjustably mounted on the holder and carrying on the one side a socket 9 for the tool 12 and on the other a lens 16; the lens is pivoted to the sleeve and the tool is adjustably mounted in its socket so that the axes of the lamp and lens may be brought to meet at the point of the tool.
Patent GB-849679-A (GB)
Title: Improvements in or relating to material carriers for ropeways, cableways, telphers and like overhead carrier systems
IPC: B65G9/00
Filed: 1957-09-20
Abstract: 849,679. Skips. BRITISH ROPEWAY ENGINEERING Ltd., and BUNCE, A. R. Sept. 16, 1958 [Sept. 20, 1957], No. 29676/57. Class 78 (4). A skip mounted on a carriage of a ropeway or like overhead carrier comprises two parts pivoted together and connected to the carriage in such manner that the two parts may swing to a closed position when empty and to the open position when loaded, means being provided to lock the two parts together in the closed position. In Fig. 2, the skip comprises two halves 10, 11 pivoted together about an axis 13 and suspended by chains 17 from a carriage 16. A latch 18 locks the two halves in a closed position and may be released by engaging a ramp in its path of travel. In the embodiment shown in Fig. 5, two halves 20, 21 are provided with uprights 22, 23 pivotally connected to a member 24 supported on the carriage 25.
Patent GB-1429233-A (GB)
Title: Device for holding a yarn receiving support
IPC: B65H54/52
Filed: 1973-06-22
Abstract: 1429233 Package cradle RHONE-POULENC-TEXTILE 22 June 1973 [26 June 1972] 29880/73 Heading D1J A bobbin cradle of the kind comprising a pair of arms 7, 8 pivotal about a common axis and between which there can be supported a yarn receiving member 3, is characterized in that the arms 7, 8 are capable of relative angular resilient displacement about said axis. In Fig. 1 a torsion bar 9 interconnects the two arms 7, 8 the torsion bar 9 permitting the arms 7, 8 to be displaced angularly and resiliently relative to each other. The arms 7, 8 carry bearings 12,13 in which pins 14, 15 slide each pin being equipped with devices that grip the yarn receiving member 3 at its ends. In Fig. 2 a weight acting on the cord 17 rocks the cradle anti-clockwise about the bar 9 to biass the yarn receiving member 3 against a drive cylinder 1. Two damping devices, such as at 21, are mounted, are mounted one at each of the arms 7 and 8.
Patent GB-299354-A (GB)
Abstract: 299,354. Magnetic Gauge Co., (Assignees of Hickok, R. D.). Oct. 24, 1927, [Convention date]. Current meters; magnetic tests.-Apparatus for measuring the difference of current in two circuits, connected to a common source, includes a movable-coil dynamometer A giving equal deflections for equal current differences, the movable coil embracing the field coil, which is fed from a differential transformer D in circuit with load instruments B, C. The movable coil of the dynamometer is provided with phase-adjusting devices 16, 17 and is fed from the main voltage through a transformer 12. The field coil is solid and wound from the centre outwards, its axial length being 30 to 40 per cent of the diameter of the movable coil, which comprises a light annulus. The axis of the movable coil is off-set to one side. The apparatus can be used for determining the thickness of rubber sheet passing through a roller press. Specification 299,296 is referred to.
Patent GB-439530-A (GB)
Title: Improvements in or relating to the manufacture of electrical condensers
IPC: H01G13/04
Filed: 1934-10-19
Abstract: 439,530. Condensers. DUBILIER CONDENSER CO. (1925), Ltd., Victoria Road, North Acton, London.-(Assignees of Dubilier, W., and Oppenheimer, J. ; 10, East 40th Street, New York, U.S.A.) Oct. 19, 1934, No. 29945. Convention date, Oct. 21, 1933. [Class 38 (ii)] [See also Groups XXXVI and VIII] Condensers are made from composite sheet obtained by passing a metal electrode 1 through a bath 3 of impregnating materia which is sufficiently fluid to adhere to the electrode and applying one or more porous o fibrous separating layer 10, 11 direct to the coated electrode. Pressure rollers 12 may remove excess of impregnating material. Reference has been directed by the Comptroller to Specification 391,941, [Group VIII].
Patent GB-629516-A (GB)
Title: Apparatus for producing imitation deckle edges on sheets of paper
IPC: B26D1/08
Filed: 1947-11-11
Abstract: 629,516. Deckle-edged paper; tearing paper. RACE, W. R. Nov. 11, 1947, No. 30017. [Classes 31 (i) and 96] Paper is held between an oblique edge 9 of a pivoted bar 4 and a rubber &c. strip 6, and torn by hand to produce deckle edges imitating that produced by the deckle-straps of a papermaking machine. The bar 4 is pressed down by a pedal &c. and returned by a spring. An adjustable guide which may be parallel or inclined to the bar 4 enables the paper to be accurately positioned for tearing.
Patent GB-1194424-A (GB)
Title: Desulphiding Process
Inventor: NICKLIN THOMAS
IPC: C10G45/26
Filed: 1967-06-29
Abstract: 1,194,424. Desulphurizing oils. GAS COUN. CIL. 14 June, 1968 [29 June, 1967], No. 30029/67. Heading C5E. A process for removing organic sulphur compounds from liquid organic compounds such as oils comprises introducing the organic compound or mixture of organic compounds in the liquid phase together with steam into the presence of a catalyst composition comprising uranoso-uranic oxide and/or uranium trioxide. The catalyst may be supported on alumina.
Patent GB-280570-A (GB)
Title: Improvements in or relating to machines for the moistening and cooling of textile fabrics
IPC: D06B1/00
Filed: 1927-11-10
Abstract: 280,570. C³sters, P. W. Nov. 10, 1926, [Convention date]. Coating fabrics in long lengths.-A machine for moistening and cooling fabrics comprises two groups of three rollers, mounted one above the other side is indirectly moistened by passing running in water, a middle roller, and an upper pressure roller, the whole being so arranged that the fabric can be moistened on one or both sides, and to any desired degree. The machine comprises a frame A in which are mounted two groups of three rollers each. The bearings of the middle rollers b, b<1> are fixed, while the lower rollers a, a<1> are pressed upward by means of weighted levers e), e<1>. The rollers a, a<1> and b, b<1> are preferably covered with cloth, india rubber or the like, and the rollers a, a<1> run in water in troughs d, d<1>. The upper rollers c, c' are pressed against the rollers b, b<1> by means of weighted levers f, f<1>. Near the point of contact of the middle and lower rollers, guide rollers k, k<1> are provided. The machine is driven from a belt pulley n on the shaft of the roller b, a sprocket o on the same shaft transmitting the drive through a chain p and a sprocket o<1> to a sprocket o<2> on the shaft of the roller b<1>, which is thus rotated in the opposite direction to the roller b. Fabric may be passed through the machine in different ways. As shown, it passes over guides m, over one guide roller k, round the greater part of the circumference of the roller b, by means of which one side is moistened, thence round the roller b<1>, where the other side is moistened. The fabric may be directly moistened on one or both sides by being passed between the rollers a and b, or between the rollers a and band then between the rollers a<1> and b<1>. Alternatively, one side may be directly moistened by passing between the middle and lower rollers, while the other, each group consisting of a lower roller round the middle roller of the other group.
Patent GB-484907-A (GB)
Title: Detector mechanism for effecting the substitution of weft charged shuttles for weft depleted shuttles in looms
IPC: D03D51/34
Filed: 1936-11-06
Abstract: 484,907. Weft feeler arrangements for looms. SMITH, H. G., and SHACKLETON, G. W. Nov. 6, 1936, No. 30230. [Class 142 (iii)] A drop-box loom in which a detector 15 moves with each cell to indicate weft exhaustion and effect shuttle change, has a member 14 carried by a continuously oscillating lever 12 and having three projections 14a, 14x, 14y, the central projection being engaged by the detector of a depleted shuttle during the use of one kind of weft, and the upper or lower projection being engaged during the return to the working position of a shuttle which was found to be depleted immediately prior to a change of cell, the engaging of any one of the three projections effecting substitution of a weft -charged shuttle. The cell b is working, a spring 3c urging the feeler 3b into the shuttle and the end 9a of a lever 9 pivoted on a shaft 10 engaging a collar 11 to draw it out. The other end 9b of lever 9 is rocked by the arm 8b of an angle lever 8 via rod 4 from a cam (not shown). When the feeler 3b enters a full shuttle a part 13b on the anticlockwise rocking lever 9 engages a projection 13a on the end of the lever 12 fixed on the shaft 10 and connected to lever 9 by a spring 13, and lever 12 oscillates anticlockwise, the projection 14a abutting against the bracket 3d. The shaft 10 is thus turned through an angle great enough to move a lever 17, pivoted on the lay, past and out of alignment with a shuttlechanging member 18. When the feeler 3b enters a depleted shuttle the disc 15 moves so far to the left that the member 14 engages therewith and the swing of the shaft 10 is so reduced that lever 17 is aligned with member 18 as shown and engages it when the lay beat up. In an alternative arrangement the feeler is withdrawn by a sliding plate 91 having a projection 90a, which engages the collar 11, and a lug 92 which is engaged by the arm 8b, the lever 112 carrying the member 14 being rocked clockwise by contact of arm 8b with an inclined surface 112a thereon and anticlockwise by a spring (not shown).
Patent GB-210853-A (GB)
Title: Improvements in and relating to the ventilation of poultry houses and the like buildings
IPC: A01K31/22
Filed: 1922-11-06
Abstract: 210,853. Ferguson, J. H. Nov. 6, 1922. Ventilators; valves, actuating.-Poultry houses and like buildings are ventilated by means of openings in the upper part of a wall with screens extending from the top to the bottom of the openings, the arrangement being such that air can pass in freely at the bottom and out at the top between the screens and the wall. The opening or openings 2, Fig. 1, in the upper part of the highest wall 1 may.be covered with wire netting 13, and the vertical screen or screens 3 may be supported in brackets 4. The lower part of the wall is permanently closed, with or without windows. A long screen may consist of rectangularsheets of glass abutting against one another. Thespaces between the wail and the ends of the screen are closed. An auxiliary inclined screen 9 may be provided above the opening between the screen 3 and the wall 1. In a modification, the screen is pivoted on horizontal central pivots and is adjustably secured by a clamping-nut. In another modification, the screen consists of a number of panels or panes each of which is pivoted on vertical central pivots, the upper pivot pins terminating in cranks connected to a rod or cord so that all the panes may be turned simultaneously. In the modification shown in Fig. 5, screens or panes 14 are pivoted horizontally on bearings 25, 26 mounted on vertical strips 27 connecting the upper and lower parts of the wall. They are operated simultaneously by moving a lever 29 and thus rocking a spindle 28 carrying arms 30 connected together by a rod 31 pivotally fastened to the tops of the screens 14. In another modification, the pivot pins of all the screens may be connected together so that all turn when one is turned. Means may be provided for operating the screens or panes separately or in groups. Reference has been directed by the Comptroller to Specifications 2311/76 and 25331/10, [Class 5 (ii), Housing &c. animals].
Patent GB-888834-A (GB)
Title: Journal bearings for screw conveyors
Inventor: ERIKSSON ERIK
IPC: F16C33/12
Filed: 1960-09-02
Abstract: 888,834. Bearings. NORDSTROMS LINBANOR A.B. Sept. 2, 1960, No. 30337/60. Class 12 (1). In a screw conveyer a shaft 1 having an insert 2 of tungsten carbide is mounted in a housing 4 having an insert 3 of tungsten carbide. Each of the engaging inserts may be a continuous or interrupted ring and the alloy may or may not contain an addition of titanium carbide, tantalum carbide, niobium carbide and cobalt. The clearance between the shaft and the journal is greater than the smallest particle size of the conveyed material.